Economic principles explain the success of 3G and foreshadow its
dominant role in providing mobile broadband to billions of users. The
demand for voice communication and the availability of increasingly
affordable technologies and services have led to an enormous installed
base of global subscribers. The large, mature 3G ecosystem of
operators, vendors, and developers has sufficient scale to deliver
economical mobile broadband. Numerous operators are providing a
broad range of IP-based services today.